A lot of things. Misconfigured Mercury, misconfigured network/router settings, misconfigured firewall, ISP blocking outgoing SMTP traffic. Check Mercury help (or the included PDF manual) to get some general ideas about it. If you want us to help please post details about your network environment and Mercury setup.
/Rolf
<p>A lot of things. Misconfigured Mercury,&nbsp;misconfigured&nbsp;network/router settings, misconfigured firewall, ISP blocking outgoing SMTP traffic. Check Mercury help (or the included PDF manual) to get some general ideas about it. If you want us to help please post details about your network environment and Mercury setup.</p><p>/Rolf&nbsp;</p>